215474080015404 has 288 divisors, whose sum is σ = 650599409295360. Its totient is φ = 61492356866304.

The previous prime is 215474080015373. The next prime is 215474080015427. The reversal of 215474080015404 is 404510080474512.

215474080015404 is a `hidden beast` number, since 2 + 154 + 7 + 4 + 0 + 80 + 0 + 15 + 404 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 215474080015404.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 20162255349 + ... + 20162266035.

It is an arithmetic number, because the mean of its divisors is an integer number (2259025726720).

Almost surely, 2^{215474080015404} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 215474080015404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (325299704647680).

215474080015404 is an abundant number, since it is smaller than the sum of its proper divisors (435125329279956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

215474080015404 is a wasteful number, since it uses less digits than its factorization.

215474080015404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14794 (or 14779 counting only the distinct ones).

The product of its (nonzero) digits is 716800, while the sum is 45.

The spelling of 215474080015404 in words is "two hundred fifteen trillion, four hundred seventy-four billion, eighty million, fifteen thousand, four hundred four".